Home / 2,464.21-3,398.68-1,580.09

Finding the Fourth Proportional to 2,464.21, 3,398.68 and 1,580.09

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Solution

The fourth proportional to 2,464.21, 3,398.68 and 1,580.09 is: 2,179.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,464.21 : 3,398.68 = 1,580.09 : x
  2. Step 2: Convert to fraction form
    2,464.21/3,398.68 = 1,580.09/x
  3. Step 3: Cross multiply
    2,464.21x = 3,398.68 × 1,580.09
  4. Step 4: Simplify right side
    2,464.21x = 5,370,215.49
  5. Step 5: Solve for x
    x = 5,370,215.49/2,464.21
  6. Step 6: Final answer
    x = 2,179.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.